810
CDHW43 PHFO 201245
CLIITO
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST SAT SEP 20 2025
...............................
..THE HILO/GEN.LYMAN FLD CLIMATE SUMMARY FOR SEPTEMBER 19 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 1251 PM 90 2014 83 3 84
2020
MINIMUM 71 608 AM 64 1952 70 1 70
1955
1973
AVERAGE 79 77 2 77
PRECIPITATION (IN)
YESTERDAY 0.19 8.67 1994 0.27 -0.08 0.19
MONTH TO DATE 2.02 5.50 -3.48 5.82
SINCE SEP 1 2.02 5.50 -3.48 5.82
SINCE JAN 1 37.40 80.49 -43.09 74.04
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 14 12 2 12
MONTH TO DATE 246 228 18 237
SINCE SEP 1 246 228 18 237
SINCE JAN 1 2747 2339 408 2537
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 7.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 700 PM
LOWEST 59 100 PM
AVERAGE 77
......................................................
THE HILO/GEN.LYMAN FLD CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 90 1974
1981
MINIMUM TEMPERATURE (F) 70 63 1976
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 1028 AM HDT SUNSET 1037 PM HDT
SEPTEMBER 21 2025.....SUNRISE 1029 AM HDT SUNSET 1036 PM HDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page